[di'siljәnθ]
n.
(英,德)第一百万之10乘方, (美,法)第一千之11乘方

Decillionth \De*cil"lionth\, a.
Pertaining to a decillion, or to the quotient of unity
divided by a decillion.


Decillionth \De*cil"lionth\, n.
(a) The quotient of unity divided by a decillion.
(b) One of a decillion equal parts.